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1. ### True or false about water?

... temperature and has a value of 0.9340 g/cm³ at −180 °C (93 K). Given that density of water varies between 0.9998 and 0.9997 (close to...

2 Answers · Science & Mathematics · 29/01/2020

2. ### Chemistry - Single Displacement Question?

... is such a table Metal Ion Caesium Cs Francium Fr Rubidium Rb Potassium K Sodium Na Lithium Li Barium Ba...

2 Answers · Science & Mathematics · 31/08/2019

3. ### chem help, plz?

...(g) + K2O3Si(s) + 5 Na2O3Si(s) c) (100 g NaN3) / (65.00987 g NaN3/mol) = 1.53823...1.53823 mol NaN3) x (8.3144626 L kPa/K mol) x (25.0 + 273.15) K / (101 kPa) = 37.8...

2 Answers · Science & Mathematics · 19/06/2019

4. ### Chemistry Help Urgent?

... = (100 kPa) x (6.409 L) / ((8.3144626 L kPa/K mol) x (25.0 + 273.15) K) = 0.258536 mol H2 (0.258536 mol H2...

1 Answers · Science & Mathematics · 18/06/2019

5. ### What is the density (g/L) of N2 gas at 889.2 Torr and 173 °C?

n / V = P / RT = (889.2 Torr) / ((62.36367 L Torr/K mol) x (173 + 273) K) = 0.031969 mol/L (28.01344 g N2/mol) x (0.031969 mol/L) = 0.89556 g/L = 0.896 g/L

3 Answers · Science & Mathematics · 24/05/2019

6. ### Chemistry Question?

... = 0.535 R = 22.4 ÷ 273 Let’s convert the temperature from˚C to ˚K. T = 24.6 + 273 = 297.6˚K Now we can determine the ...

2 Answers · Science & Mathematics · 24/05/2019

7. ### Chemistry Question?

...by each 2 moles of NH4NO3 that decompose. (1.00 bar) x (205 + 273) K / (25 + 273) K = 1.604 bars air (5.00 g NH4NO3) / (80.0434 g...

3 Answers · Science & Mathematics · 24/05/2019

8. ### Calculating the equilibrium constant at a initial pressure?

... pressures, this is often called Kp: K = P(C) / [P(A)]^2 [P(B)] Now, here, you are ...

1 Answers · Science & Mathematics · 13/02/2019

9. ### Chemistry, Calculate K?

...][B]² Write K expression for target equation K = [C]²[D] / [A][B]² ................. ................. which ...

1 Answers · Science & Mathematics · 13/02/2019

10. ### Calculate K for the following reaction: 2 A ⇌ 3 D given the following K values: A ⇌ ½ B + C K1 = 85.90 3 D ⇌ B + 2 C K2 = 1.17?

Calculate K..... 2A <==> 3D A <==> ½B + C .............. K1 = 85.90 3D <==> B + 2C...

2 Answers · Science & Mathematics · 07/02/2019